pH test strips, PEHANON 12.0 to 14.0 (Box of 200 test strips)

• Unify pH indicator and reference color chart on one strip

• Any sample color has the same effect on both, the reference colors and the reactive pad, allowing unadulterated pH reading even in colored solutions

• Gradation (pH): 12.0 - 12.5 - 13.0 - 13.5 - 14.0

• Length: 100 mm

• Width: 11 mm